[ide] ide-cd: use ssleep() instead of schedule_timeout()

Description: Uses ssleep() in place of cdrom_sleep() to guarantee the task
delays as expected. Remove cdrom_sleep() definition, as this is the only place
where it is called.
Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Acked-by: Jens Axboe <axboe@suse.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-cd.c

@@ -1464,19 +1464,6 @@ static ide_startstop_t cdrom_do_packet_command (ide_drive_t *drive)
 }
 
 
-/* Sleep for TIME jiffies.
-   Not to be called from an interrupt handler. */
-static
-void cdrom_sleep (int time)
-{
-	int sleep = time;
-
-	do {
-		set_current_state(TASK_INTERRUPTIBLE);
-		sleep = schedule_timeout(sleep);
-	} while (sleep);
-}
-
 static
 int cdrom_queue_packet_command(ide_drive_t *drive, struct request *rq)
 {
@@ -1511,7 +1498,7 @@ int cdrom_queue_packet_command(ide_drive_t *drive, struct request *rq)
 				/* The drive is in the process of loading
 				   a disk.  Retry, but wait a little to give
 				   the drive time to complete the load. */
-				cdrom_sleep(2 * HZ);
+				ssleep(2);
 			} else {
 				/* Otherwise, don't retry. */
 				retries = 0;